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30663612 = 22327217383
BaseRepresentation
bin111010011111…
…0001110111100
32010200212120100
41310332032330
530322213422
63013121100
7521431200
oct164761674
963625510
1030663612
1116344031
12a329190
136478065
144102b00
152a5a7ac
hex1d3e3bc

30663612 has 54 divisors (see below), whose sum is σ = 90170808. Its totient is φ = 8760528.

The previous prime is 30663593. The next prime is 30663629. The reversal of 30663612 is 21636603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6928 + ... + 10455.

Almost surely, 230663612 is an apocalyptic number.

It is an amenable number.

30663612 is an abundant number, since it is smaller than the sum of its proper divisors (59507196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30663612 is a wasteful number, since it uses less digits than its factorization.

30663612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17407 (or 17395 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30663612 is about 5537.4734310875. The cubic root of 30663612 is about 312.9976693134.

The spelling of 30663612 in words is "thirty million, six hundred sixty-three thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 17383 34766 52149 69532 104298 121681 156447 208596 243362 312894 365043 486724 625788 730086 851767 1095129 1460172 1703534 2190258 2555301 3407068 4380516 5110602 7665903 10221204 15331806 30663612